Eliminating ThermoQuad Secondary Bog with Demonstration at End
This is a little tutorial on how to adjust the secondary door on a thermoquad. The basic principal will work on a quadrajet or even an AVS/Edelbrock four barrel carburetor. I demonstrate the instant response with my 1972 Dodge Charger SE. I will have more tutorials and some fun videos in the coming weeks.

▶︎
Your Classic Car Is Overheating for One Reason (And It's Not What You Think)

▶︎
Freiburger Explains Thermoquad Carburetors! - Roadkill Extra

▶︎
1965 Chrysler Console Lamp Replacement

▶︎
Understanding the Carter Thermoquad Carburetor

▶︎
Rebuilding the Carter Thermoquad Carburettor - Cleaning and Parts Selection Part 1

▶︎
25 FORGOTTEN 1962 Engine Methods That Cut Fuel Bills in HALF (Big Oil Hates Them)

▶︎
Carter Thermoquad Identification pt1/ MANLEY Thermoquads

▶︎
1971 'Cuda 340 Dyno Test - Thermoquad Opens Up

▶︎
Quadrajet carburetor won't run off the secondaries at all...what's wrong??

▶︎
Carter Thermo-Quad vs Rochester Quadra-Jet, and the pros and cons of each.

▶︎
Dale’s 1971 Dodge Demon 340 Gets Fixed! Tuning The Edelbrock AVS 2

▶︎
Thermoquad idle mixture tuning with a vacuum gauge.

▶︎
The Story Nobody Tells About Boyd and Foose

▶︎
Review Of The Rochester Quadrajet - The Most Common 4 Barrel On Earth

▶︎
If You Understand Volumetric Efficiency You Understand Engines

▶︎
Your Classic Car's Fuel System Is Being Destroyed Right Now (Here's Why)

▶︎
Carburetor Confusion! What's the Best Setup? | Engine Masters | MotorTrend

▶︎
Your Classic Car Could Be Worth Less Than You Think | Mecum Indy 2026 Exposed

▶︎
Making GOOD Retracting Casters is HARD

▶︎
